Light bar for a vehicle



FIG. 1 is a perspective view of a lightbar for a vehicle showing my newdesign;

FIG. 2 is a front view thereof, the bottom view being mirrorsymmetrical;

FIG. 3 is a left view thereof, the right view being mirror symmetrical;and,

FIG. 4 is a top view thereof.

The rear view of the lightbar for a vehicle is unornamented.

The broken lines depict portions of the lightbar for a vehicle that formno part of the claimed design.

CLAIM The ornamental design for a lightbar for a vehicle, as shown anddescribed.